Stablecoin settlement
Leads stablecoin settlement on Mastercard’s global settlement platform, alongside fiat, on the same rails that settle $12 trillion a year.
Digital assets
Stablecoins, tokenized money and crypto payments
Day job
Inside the institutions
Bringing stablecoins and tokenized deposits onto settlement platforms that can’t go down, and that regulators and partner banks have to sign off on.
Tokenized deposits
Leads the integration with J.P. Morgan’s Kinexys tokenized-deposit network for real-time, 24x7 cross-border B2B settlement.
CS Coin
Led CS Coin, the Federal Reserve’s prototype for blockchain token issuance, transfer and settlement.
Built by me
Live crypto and stablecoin products
Built end to end — product, code, data and infrastructure — and running in production: HTTP 402 payments, Solana micropayments and creator tipping with embedded wallets.
x402info
The reference site for HTTP 402 and machine-to-machine payments: protocol guides, a registry, a validator and an ecosystem map for stablecoin micropayments and AI-agent commerce.
x402info.com ↗
x402homepage
A live demo of paying over the web with crypto: a 500×500 pixel canvas on Solana mainnet where anyone can buy space with a Phantom wallet. Every payment is verified on-chain before an image goes up, uploads are screened by AI, and new placements appear for every visitor in real time.
x402homepage.com ↗
my2centz
Micro-tipping for creators: tips as small as 2¢ with no per-tip fees, using embedded wallets and a card on-ramp.
my2centz.com ↗Interested in stablecoin settlement, tokenized deposits or machine-to-machine payments? I’m always glad to compare notes.
colin@tarvit.com